Class MapMathHelper

Provides methods which perform calculations on geographical coordinates and distances.

Inheritance
System.Object
MapMathHelper
Namespace: Telerik.Windows.Controls.Map
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public static class MapMathHelper : Object

Methods

GetGeoSizeAtZoomLevel(MapProviderBase, Int32, Location, Size)

Gets geographical size from the pixel size at the given zoom level for the given map provider.

Declaration
public static Size GetGeoSizeAtZoomLevel(MapProviderBase provider, int zoomLevel, Location basePoint, Size pixelSize)
Parameters
MapProviderBase provider

Map provider.
System.Int32 zoomLevel

Zoom level.
Location basePoint

Base point.
System.Windows.Size pixelSize

The size in pixels.
Returns
System.Windows.Size

Size in degree.

LogicalToPixel(LogicalToScreenParameters, Point)

Converts a logic point to a Pixel Point on the current screen at a particular zoom level.

Declaration
public static Point LogicalToPixel(LogicalToScreenParameters screenParameters, Point logicalPoint)
Parameters
LogicalToScreenParameters screenParameters

Conversion parameters.
System.Windows.Point logicalPoint

The logical point.
Returns
System.Windows.Point

Pixel Point.

LogicalToPixel(LogicalToScreenParameters, Point, Point)

Converts a logic point to a Pixel Point on the current screen at a particular zoom level and moves it relative to base point.

Declaration
public static Point LogicalToPixel(LogicalToScreenParameters screenParameters, Point logicalPoint, Point basePoint)
Parameters
LogicalToScreenParameters screenParameters

Conversion parameters.
System.Windows.Point logicalPoint

The logical point.
System.Windows.Point basePoint

The base point.
Returns
System.Windows.Point

Pixel Point.

PixelToLogicalSize(MapProviderBase, Double, Int32)

Convert pixel size to the logical size at the given zoom level.

Declaration
public static double PixelToLogicalSize(MapProviderBase provider, double pixelSize, int zoomLevel)
Parameters
MapProviderBase provider

Map provider.
System.Double pixelSize

Pixel size.
System.Int32 zoomLevel

Zoom level.
Returns
System.Double

Logical size.